Finding the Fourth Proportional to 753,837.70, 1,130,923.31 and 248,378.26
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Solution
The fourth proportional to 753,837.70, 1,130,923.31 and 248,378.26 is: 372,622.33
Step by Step Solution
- Step 1: Write the proportion equation
753,837.70 : 1,130,923.31 = 248,378.26 : x - Step 2: Convert to fraction form
753,837.70/1,130,923.31 = 248,378.26/x - Step 3: Cross multiply
753,837.70x = 1,130,923.31 × 248,378.26 - Step 4: Simplify right side
753,837.70x = 280,896,763,931.24 - Step 5: Solve for x
x = 280,896,763,931.24/753,837.70 - Step 6: Final answer
x = 372,622.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.